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FILE - In a Sunday night, Sept. 23, 2012 file photo, Unionville firefighters battle a blaze at a home on Kingdom Road near Rover, Tenn. Investigators on Wednesday, Sept. 26, 2012 say they are looking for two children they initially believed had perished in the farmhouse fire along with their step-grandparents. The Tennessee Bureau of Investigation on Wednesday issued an endangered child alert for 9-year-old Chloie Leverette and 7-year-old Gage Daniel. Investigators say they could not find the children's remains in the house (AP Photo/Shelbyville Times-Gazette, David Melson, File)

FILE - In a Sunday night, Sept. 23, 2012 file photo, Unionville firefighters battle a blaze at a home on Kingdom Road near Rover, Tenn. Investigators on Wednesday, Sept. 26, 2012 say they are looking for two children they initially believed had perished in the farmhouse fire along with their step-grandparents. The Tennessee Bureau of Investigation on Wednesday issued an endangered child alert for 9-year-old Chloie Leverette and 7-year-old Gage Daniel. Investigators say they could not find the children's remains in the house (AP Photo/Shelbyville Times-Gazette, David Melson, File)